Mineral Resources‚ Security and Development in Africa By Braima Koroma Lecturer‚ Institute of Geography and Development Studies‚ School of Environmental Sciences‚ Njala University Introduction: an overview Africa’s known mineral wealth places it among the world’s richest continents. Its very large share of the world’s mineral resources includes diamonds‚ gold‚ silver‚ the platinum group metals‚ emeralds‚ rubies‚ and other precious minerals‚ bauxite‚ manganese‚ nickel‚ cobalt‚ copper
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INTRODUCTION Sound is a mechanical wave an oscillation of pressure transmitted through a solid‚ liquid‚ or gas‚ composed of frequencies within the range of hearing and of a level sufficiently strong to be heard‚ or the sensation stimulated in organs of hearing by such vibrations. Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well‚ but there are additional modes of propagation). During their propagation
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As the development of science and technology‚ hydraulic mining machine has become more and more popular in mining processing. In order to be able to reach the world advanced level‚ we have to recognize the difference‚ and constantly improve their standards. How is about hydraulic mining machine? Advantages of hydraulic mining machine: 1. High production capacity‚ 2. Easy maintenance‚ 3. Stable performance‚ 4. Low consumption. 5. Equiped with hydraulic system of safety oil cylinder
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savage and evil to everything and everyone‚ including Ralph’s tribe. Which is representing that evil is more powerful than good. One important reason that evil is more powerful than good is that‚ when Ralph and the other kids were in a tribe together‚ Jack didn’t want to join the tribe‚ so he made another tribe so he can be the leader. And Jack’s tribe got the most kids to join than Ralph’s which represents that evil is overpowering the good by joining Jack’s tribe‚ because all what
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Vaster Than Empires and More Slow. If you look up Ursula K. Le Guin’s website‚ you’ll see she’s an older woman‚ perhaps in her sixties or seventies‚ she is really very pretty for her age! She’s also got some amazing talent in that brain of hers. Le Guin has written many famous science fiction novels and short stories‚ including children’s stories. Her work includes “The Ones Who Walk Away From Omelas” and “Vaster Than Empires and More Slow”. I’ve read Omelas‚ and I enjoyed it very much; I even
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Role of capital market in the context of development of nation What is Capital Market? Institutional arrangements for facilitating the borrowing and lending of long term funds. INVESTORS IN CAPITAL MARKET Role of capital market Capital Formation Economic Growth Development of backward area Generates Employment Long Term Capital to Industrial Sector Generation of Foreign Capital Developing Role of Financial Institution Investment Opportunities Capital Formation Rate of capital
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The Department of Homeland Security (DHS) is structured to protect the United States and its territories against foreign and domestic terrorist. From the time the DHS has come into being it has implemented the US-immigrant and visitor status program. These two programs are capable of identifying and verifying all foreign travelers who have entered and exited the United States through airports and seaports. The major downfall of this program is it has a delay in its schedule‚ which in return causes
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Means are more important than end This is a well- known proverb that we have heard many times. The ends are our goals and the means are the specific actions are take to achieve these goals. This proverb is often misleading as it gives the idea that we can achieve this goal through any means. I don’t think that the means is less important than the end. We all have so many goals to achieve. We also have our own ways of accomplishing it. Getting the desired result by any means is not at all correct
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1. Which if the following IPv6 address type is assigned to multiple interfaces but packets will only be delivered to one? a. Multicast b. Anycast c. Unicast d. Broadcast Grade: 1 User Responses: b.Anycast Feedback: a.An anycast address is assigned to a group of interfaces on multiple nodes. Packets are delivered to the “first” interface only. 2. Routers operate at which OSI layer? a. Physical b. Transport c. Network d. Session Grade: 1 User Responses:
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Myths are more comforting than reality Since the first known civilizations and cultures‚ up to the industrial revolution and sudden expansion of education‚ myths and legends have occupied an important place in human understanding of reality. With their help‚ people have explained not only everyday events that were difficult to conceive‚ but also the unusual and rare ones. They were the source of comfort at difficult times‚ restoring people’s faith in justice‚ stability and worth of ideals. Myths
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